Omm - Mechanics Of The Skull

Front 1

The motion of the cranium occurs with respect to the ...

Back 1

SBS

Front 2

The SBS ossifies at approx what year of age?

Back 2

25

Front 3

During FLEXION of the SBS, the basooccipute and sphenoid move ____, while the squama and wings move _____

Back 3

CEPHALAD

CAUDAD

Front 4

During EXTENSION of the SBS, the basooccipute and sphenoid move ____, while the squama and wings move ____

Back 4

CAUDAD

CEPHALAD

Front 5

The motion of midline paired bones is ...

Back 5

All described as whatever the SBS is doing, despite what they are doing individually

Front 6

Paired bones all move ...

Back 6

in internal or external rotation

Front 7

Paired bones move in _____ during SBS flexion

Back 7

external rotation

Front 8

Paired bones move in ____ during SBS extension

Back 8

internal rotation

Front 9

The overall shape of the cranium is FLEXION can be described as

Back 9

lowering of the APEX
Elongation and widening of the skull

(ERNIE)

Front 10

The overall shape of the cranium in EXTENSION can be described as

Back 10

RAISING of the apex
Shortening and Narrowing of the skull

(BERT)

Front 11

Torsion is described as

Back 11

OPPOSITE rotation of the occiput and sphenoid on an AP AXIS

Front 12

Torsion is named with respect to

Back 12

Which side of the body the higher wing of the sphenoid lies

(If R wing is sticking up, it's a R torsion)

Front 13

Torsion results in what effect on paired temporal bones?

Back 13

INT rotation on the HIGH side

EXT rotation on the LOW side

Front 14

Sidebending rotation is described as ...

Back 14

occiput and sphenoid rotate opposite directions on a VERTICAL axis, with rotation on the same side about the AP axis

Front 15

Sidebending rotation is named for ..

Back 15

OPEN SIDE of SBS

Front 16

During sidebending rotation, the temporal bone

Back 16

INT rotations on side of dys (flattens)

EXT rotates on nl side, creating a bulge

Front 17

A lateral strain is

Back 17

occiput and sphenoid rotate SAME DIRECTION on a VERTICAL axis

(they rotate left or right together)

Front 18

Lateral strains are named for ...

Back 18

Direction the sphenoid moves

Front 19

Vertical strain is ...

Back 19

occiput/sphenoid rotate in the same direction on a CORONAL axis (they tilt up or down together)

Front 20

Vertical strains are named for ..

Back 20

direction sphenoid moves (rotates up, it's a superior vertical strain)

Front 21

Compression is ...

Back 21

Introduction of an A-P force on the head

Front 22

Compression results in ____ and can accompany ____

Back 22

"stiff head"

any SBS pattern

Front 23

Plageiocephaly is also known as ...

Back 23

R torsion

(or parallelogram head)

Front 24

Physical features of plagiocephaly as they relate to skull mechanics are ...

Back 24

Orbit widens on the high side of the sphenoid, narrows on low

Ear sticks outward on side of temporal internal rotation (back end rotates outwards)

Front 25

Scaphocephaly is

Back 25

Transverse compression of head resulting in a long, narrow head with ridging of sagittal and metropic sutures

Front 26

Scaphocephaly may be d/t

Back 26

forceps delivery

Front 27

The metropic suture

Back 27

Is b/t the frontal bones

Ossifies ~ 6 years of age

Persists in 10% of adults to behave like paired bone

Front 28

"quadrilateral head" is

Back 28

lateral SBS strain

Front 29

Oxycephaly is

Back 29

AP compression

Front 30

Individual bones can become ____ and restrict _____

Back 30

malpositioned

multiple sutures

Front 31

Intraosseous dysfunctions occur

Back 31

between portions of bone connected by cartilage in children

Front 32

Untreated intraosseous dysfunctions can ...

Back 32

become permanent after ossification

Front 33

These bones ossify at ONE YEAR of age

Back 33

Sphenoid
Mandible
Temporal

Front 34

This bone ossifies at THREE years of age

Back 34

Occipital

Front 35

These bones ossify at SIX years of age

Back 35

Frontal
Maxillary

Front 36

These bones ossify at 25 years of age

Back 36

SBS
Sacrum

Front 37

Intraosseous dysfunctions are commony d/t

Back 37

intrauterine positioning/molding problems

(shape of bone itself is distorted)

Front 38

TX for intraosseuous dysfunctions prior to ossification is

Back 38

manual remolding

Front 39

Goals of cranial tx include

Back 39

free, unrestricted motion of SBS and all sutures

balanced RTM

Max amplitude and nl CRI

Nl shape of head

Front 40

Still Point is ...

Back 40

Cessation of CRI

(Pt sighs, fine sweat on forehead, warming/softening of head)

Front 41

When encountering the Still Point during cranial therapy, what should the physician dO?

Back 41

Hold head until CRI returns

End the technique (this is what still point indicates)